Doctor profile · Federal record

Dr. Jason Chamberlin, DO

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Farmington, IL

  • NPI 1831207349
  • Accepts Medicare
  • MIPS 76.7 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
601 E Fort St
Farmington, IL 615310380
(309) 245-2406
fax (309) 649-6880
Mailing address
180 S Main St
Canton, IL 615202608

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
April 14, 2021
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036101084
Medicaid
IL #036101084

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831207349. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,269
Distinct HCPCS
7
Medicare allowed
$41,826
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 854 639 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 239 73 $78
99238 Hospital discharge day management, 30 minutes or less 62 53 $79
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 61 47 $129
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional 21 21 $18
99213 Established patient office or other outpatient visit, 20-29 minutes 20 20 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $124

In context: peer comparison

Among 1 peers in Farmington Internal Medicine Physician, average services per provider: 181. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,826
Transactions
98
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 16 $232.68
Supernus Pharmaceuticals, INC. 9 $193.96
Boehringer Ingelheim Pharmaceuticals, INC. 8 $161.29
Aimmune Therapeutics, INC. 13 $152.04
Lilly USA, LLC 10 $147.82
Abbvie INC. 8 $141.49
Abbott Laboratories 6 $123.29
Lundbeck LLC 4 $101.98
Amgen INC. 5 $96.52
Bayer Healthcare Pharmaceuticals INC. 5 $91.57
AstraZeneca Pharmaceuticals Lp 4 $68.65
Pfizer INC. 4 $60.01
Otsuka America Pharmaceutical, INC. 2 $35.60
Almatica Pharma LLC 2 $34.88
Novo Nordisk INC 2 $30.51

By nature of payment

Food and Beverage
$1,826

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,546
Patients
860
Total drug cost
$44,915
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 418 108 $5,705
Lisinopril Generic 370 91 $3,140
Levothyroxine Sodium Generic 335 74 $4,603
Amlodipine Besylate Generic 264 68 $1,631
Pantoprazole Sodium Generic 245 62 $3,905
Furosemide Generic 239 54 $1,322
Omeprazole Generic 231 56 $2,975
Losartan Potassium Generic 212 51 $2,468
Escitalopram Oxalate Generic 205 42 $2,574
Gabapentin Generic 190 41 $3,705

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Chamberlin's medical specialty?
Dr. Jason Chamberlin practices Internal Medicine Physician in Farmington, IL.
Where does Dr. Jason Chamberlin practice?
Dr. Jason Chamberlin practices at 601 E Fort St, Farmington, IL 615310380. Office phone: 3092452406.
What is Dr. Jason Chamberlin's NPI?
Dr. Jason Chamberlin's National Provider Identifier (NPI) is 1831207349, issued by NPPES.
Does Dr. Jason Chamberlin accept Medicare assignment?
Yes. Dr. Jason Chamberlin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Chamberlin commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.